Cover plate for a filter cartridge



FIG. 1 is a top perspective view of a cover plate for filter cartridge showing my new design;

FIG. 2 is a top plan view thereof; and

FIG. 3 is a front elevational view thereof, the adjacent sides and rear being identical in appearance.

The broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a cover plate for a filter cartridge, substantially as shown and described. 